000
00261nam a2200121 4500
008
160616s 000 0
245
_a
Ultrasonic physics
100
_a
Richardson, E G
250
_a
2
500
_a
C35 K2
942
_c
BK
_2
BK9589
080
_a
534 RIC
999
_c
9589
_d
9589